Git has 150+ commands. You use maybe 20. Here they are.
Daily Commands
git status — what changed? git add . — stage everything. git commit -m 'message' — save changes. git push — upload to remote. git pull — download latest.
Branching
git branch feature-x — create branch. git checkout feature-x — switch to branch. git checkout -b feature-x — create and switch. git merge feature-x — merge into current branch. git branch -d feature-x — delete branch.
Recovery
git stash — temporarily shelve changes. git stash pop — restore shelved changes. git reset --hard HEAD~1 — undo last commit (destructive!). git revert HEAD — undo last commit (safe, creates new commit).
Investigation
git log --oneline -10 — last 10 commits. git diff — see unstaged changes. git blame file.js — who changed each line? git show commit-hash — see a specific commit.
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